Contemporary house on a residential street in Isleworth

Areas / Isleworth

Architects and Engineers in Isleworth

Local knowledge of Isleworth's riverside village and its conservation areas, from first feasibility conversation through to a finished project.

Living and Building in Isleworth

Old Isleworth is a Thames-side village of Georgian and early 19th-century houses on Church Street and Lower Square, beside the Syon estate and the wooded Isleworth Ait.

Diagram X brings AEC (Architecture, Engineering and Construction) together for homeowners across the village and the Victorian and interwar streets that grew inland.

Contemporary living space opening onto a garden in Isleworth

Planning in Isleworth

Isleworth Riverside, The Grove and Spring Grove are conservation areas, and listed buildings, Thames flood risk and the Syon Park setting all influence what is possible.

Permitted development rights should be checked for the exact property.

Period facade beside a new contemporary extension in Isleworth

Refurbishing in Isleworth

Across the area's Georgian cottages, Victorian terraces and interwar houses, most interiors have had little meaningful updating in decades, so refurbishment starts from open, light-filled layouts and modern performance.

A genuinely worthwhile period feature earns its place when retained, but a confidently modern result inside is always the starting assumption.

Refurbished modern interior with a retained period feature in Isleworth

Construction in Isleworth

Riverside ground, flood resilience and listed neighbours call for early investigation of foundations and drainage.

We plan for these from the outset, so Isleworth's riverside character and its individual homes are both well served.

New contemporary rear extension in Isleworth

Planning an Isleworth Property Project?

Learn more about how Diagram X supports homeowners with extensions, refurbishments and listed building work.

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